// cypher1.c -- 更改输入，空格不变
#include<stdio.h>
#define SPACE ' '
int main()
{
    char ch;

    ch = getchar();
    while (ch != '\n')
    {
        if (ch == SPACE)
           putchar(ch);
        else
           putchar(ch + 1);
        ch = getchar();
    }
    putchar(ch);

    return 0;
}